PowerComputing had a very complicated, except for that it was only 7 models.
The Power 80, 100, 110, and 120 are 601 NuBus computers based on the same ColdFusion architecture the Power Macintosh 8100 uses.
Planned PCI + NuBus card as indicated in the manua, ref. https://cdn.preterhuman.net/texts/computing/PowerComputing_manuals/PowerWave_604_Users_Guide.pdf
Tsunami architecture ( as also see in the Power Macintosh 9500 and other six-slot clones like the UMAX S900/910).
603e-based clone using the Alchemy similar in concept to the Apple Power Macintosh 6360/6400, and UMAX C500 and 600.